classSolution{publicintkConcatenationMaxSum(int[]arr,intk){intn=arr.length,pre=0,result=0,mod=1_000_000_007,sum=0;for(inti=0;i<(n<<1);i++){pre=Math.max(arr[i%n],pre+arr[i%n]);result=Math.max(result,pre);if(k==1&&i==n-1)returnresult;if(i<n)sum+=arr[i];}return(...
1)和maxSum( 2)两种情况; 当sum > 0 时, 有 maxSum(2) + (k-2)*sum. Java代码classSolution{publicintkConcatenationMaxSum(int[] arr,intk){if( arr.length ==0|| arr ==null)return0;if(k <3)return(int) (maxSum(arr, k)%(1e9+7));longsum =0;for(intnum:arr) sum += num;lon...
max_sub_arr_sum=max(max_sub_arr_sum,amount) res= max(res,max_sub_arr_sum + left_max[-1])ifk > 2: res= max(res,max_sub_arr_sum + left_max[-1] + (k-2)*total_sum)returnres % (10 ** 9 + 7)
Maximum Sum of Distinct Subarrays With Length K: https://leetcode.com/problems/maximum-sum-of-distinct-subarrays-with-length-k/ 长度为 K 子数组中的最大和: https://leetcode.cn/problems/maximum-sum-of-distinct-subarrays-with-length-k/ LeetCode 日更第318天,感谢阅读至此的你 欢迎点赞、收藏...
LeetCode-1191. K-Concatenation Maximum Sum i++文章分类Hadoop大数据 Given an integer array arr and an integer k, modify the array by repeating it k times. For example, if arr = [1, 2] and k = 3 ...
题目leetcode 918 Maximum Sum Circular Subarray 给一个环形数组,也就是数组的尾部可以和头部相连,然后求子数组的最大和 比如 Input: [5,-3,5] Output: 10 Explanation: Subarray [5,5] has maximum sum 5 + 5 = 10 分析和解法 做这个题目首先我们需要熟悉普通数组的最大子数组和的解法,思路是动态规划,...
LeetCode 1043. Partition Array for Maximum Sum 原题链接在这里:https://leetcode.com/problems/partition-array-for-maximum-sum/ 题目: Given an integer arrayA, you partition the array into (contiguous) subarrays of length at mostK. After partitioning, each subarray has their values changed to ...
假设我们可以让n台电脑同时运行x分钟,那么对于电量大于x的电池,其只能被使用x分钟。因此每个电池的使用时间至多为min(batteries[i],x),我们将其累加起来,记作sum。那么要让n台电脑同时运行x分钟,必要条件是n⋅x≤sum。 下面证明该条件是充分的,即当n⋅x≤sum成立时,必然可以让n台电脑同时运行x...
(nums, middle+1, high); // 计算中间的情况 // 从middle开始,向两边扩散: 先找贴着middle左边的最大值,再找贴着middle右边的最大值 // left // int sum = nums[middle]; int sum = 0; int middle_max_l = INT_MIN; int middle_max_r = INT_MIN; // for(int i = middle-1; ...
1186 Maximum Subarray Sum with One Deletion 删除一次得到子数组最大和 Description: Given an array of integers, return the maximum sum for a non-empty subarray (contiguous elements) with at most one element deletion. In other words, you want to choose a subarray and optionally delete one element...